UiPath-ADPv1 Practice Test 2 — 30 Questions

Question 1

When using a 'For Each' loop to process a list of items, what is the best way to handle an error that occurs for only one specific item?

Accepted Answer

Place a Try-Catch block inside the loop body.. Placing a Try-Catch block *inside* the loop is the standard pattern for row-level or item-level error handling. This allows the robot to catch the error, log the specific failure for that item, and then continue to the next iteration. This ensures the entire process does not crash due to a single bad data record, which is vital for high-volume automated processing.

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Place the entire 'For Each' loop inside a single Try-Catch block.

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Use the 'Continue' property in the For Each activity.

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Disable error handling and allow the process to fail.

Question 2

You have a JSON string containing nested objects and arrays. Which TWO approaches are best for parsing this data into a usable format within UiPath?

Accepted Answer

Use the 'Deserialize JSON' activity and cast the output to a JObject.. Parsing JSON requires robust handling of hierarchies. Using the 'Deserialize JSON' activity is the primary UiPath-native approach, providing access to JObject or JArray types. Alternatively, using 'Deserialize JSON Array' is essential when the root element is a collection. These methods allow developers to use LINQ or index-based access to extract specific fields efficiently, which is vital for integration with complex REST API responses.

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Use a 'For Each' loop with String.Split to manually parse the JSON structure.

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Use the 'Regex Match' activity to extract every field via named capture groups.

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Convert the JSON to a DataTable using an Invoke Code activity.

Question 3

How can an Orchestrator administrator identify the root cause of a 'System Exception' occurring during the execution of a process?

Accepted Answer

Navigate to the 'Jobs' tab and view the 'Error Details' column.. Orchestrator provides detailed job logs and error reporting for every execution. By reviewing the 'Job Details' page, an administrator can see the exact time, activity, and error message associated with the exception. This visibility is crucial for fast incident resolution, as it allows developers to pinpoint exactly where the workflow failed, review the input data that caused the failure, and determine whether a code fix or an infrastructure change is required.

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Check the local Windows Event Viewer on the robot machine.

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Rerun the process until it succeeds.

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Reinstall the UiPath Robot service.

Question 4

An automation developer is building an integration with a third-party REST API that returns a JSON payload containing over 50,000 transaction records per request. The process frequently throws an OutOfMemoryException inside UiPath Studio when attempting to parse the entire response string using standard string manipulation. Which approach should the developer use to handle this large response efficiently?

Accepted Answer

Configure the HTTP Request activity to stream the response directly into a JsonTextReader instance for token-based processing.. Deserializing large JSON payloads entirely into memory is a primary cause of resource exhaustion in automation workflows. By utilizing Newtonsoft.Json with JsonTextReader, developers can stream the JSON data token by token instead of loading the complete document structure into memory simultaneously. This memory-efficient architecture ensures long-running unattended processes remain stable and scale effectively when consuming massive external payloads from enterprise REST endpoints.

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Increase the available RAM on the Orchestrator robot machine to accommodate larger string allocations during the deserialization phase.

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Wrap the HTTP Request activity inside a Parallel For Each activity to divide the response string into concurrent processing threads.

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Disable the SSL verification properties on the HTTP Request activity to bypass encryption overhead during the large data transfer.

Question 5

Refer to the exhibit. How does the REFramework handle these sheets during the Initialization state?

Accepted Answer

It reads both 'Settings' and 'Constants' into a single Dictionary.. The REFramework's InitAllSettings workflow is designed to read both 'Settings' and 'Constants' sheets from the Config.xlsx file. It iterates through these sheets and populates a Dictionary object. This provides a centralized and configurable way to manage both environment settings (like file paths) and constant values (like timeouts), allowing administrators to update process behavior without modifying the underlying code, which is key for long-term maintenance.

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It only reads the 'Settings' sheet.

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It requires a separate Dictionary for each sheet.

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It ignores both sheets and expects a JSON file.

Question 6

Which property in the 'Message Box' activity is used to ensure the robot waits for the user to acknowledge the message before proceeding?

Accepted Answer

None, it is the default behavior. The 'Message Box' activity is inherently blocking; it pauses execution until the user clicks a button. This is a core characteristic of attended automation, ensuring the robot doesn't rush past critical user validation steps. Understanding this default behavior is crucial for developers when designing workflows that require sequential, user-confirmed actions to ensure data integrity and process compliance.

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AutoCloseAfter

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TopMost

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WaitForReady

Question 7

Which TWO of these variables are mandatory to define in the Config.xlsx file for the standard REFramework to function?

Accepted Answer

MaxRetryNumber. The framework relies on specific keys to drive its logic, most notably for queue management and retry behavior. Without MaxRetryNumber, the framework's internal retry mechanism cannot function properly. Similarly, the OrchestratorQueueName is essential for the GetTransactionData state to know where to fetch work from. These parameters are foundational for the framework's core capability of processing items from a centralized queue reliably.

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UserPassword

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SystemName

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EmailAddress

Question 8

Refer to the exhibit. What is the impact of this Orchestrator policy on a folder containing 10 available robots?

Accepted Answer

Orchestrator will queue the 6th job until a slot becomes free.. This policy sets a concurrency limit on the number of jobs that can run simultaneously within a single folder. Even if there are 10 robots available, Orchestrator will restrict the total number of active jobs to 5. This is a powerful mechanism for controlling resource consumption and preventing a single process from monopolizing all available infrastructure, ensuring that other critical processes have the resources needed to execute as required.

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Only 5 robots will be allowed to connect to the folder.

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The folder will automatically provision 5 additional robots.

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The 6th job will automatically fail with a 'Resource Limit' error.

Question 9

Refer to the exhibit. What is the expected next action of the REFramework?

Accepted Answer

The transaction will be retried.. Because a system exception occurred, the REFramework enters the error handling phase. It will increment the retry counter, log the system exception, and update the Orchestrator status to 'Retried' or 'Failed' depending on the threshold. Since the retry limit has not been reached, the framework will loop back to the 'Get Transaction Data' state to re-attempt the same transaction, providing a resilient recovery from the timeout error.

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The process will terminate immediately.

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The robot will skip the transaction and move to the next.

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The robot will throw a BusinessRuleException.

Question 10

Which THREE of the following practices are recommended for optimizing UI automation performance in large-scale enterprise environments?

Accepted Answer

Use 'Simulate Click' or 'SendWindowMessages' when possible.. Optimizing UI automation requires a combination of efficient selector design, intelligent waiting strategies, and minimizing unnecessary interactions. These practices are crucial because inefficient automation consumes excessive hardware resources and leads to longer runtimes. By focusing on targeted selectors and avoiding redundant screen actions, developers ensure that their robots are performant, scalable, and capable of handling high-volume workloads without placing undue strain on the underlying infrastructure.

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Always set DelayAfter property to 5 seconds to ensure stability.

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Keep the selector tree as deep as possible for uniqueness.

Question 11

A developer needs to extract text from a PDF file that contains scanned images. The developer has installed the UiPath.PDF.Activities package and the UiPath.DocumentUnderstanding.Activities package. Which activity should be used to extract text from the scanned PDF?

Accepted Answer

Read PDF With OCR. For scanned PDFs, the Read PDF With OCR activity is the correct choice because it applies OCR to extract text from images. Other activities like Read PDF Text fail on scanned documents, and Get OCR Text requires UI elements. Digitize Document is more complex and intended for structured data extraction.

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Digitize Document

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Read PDF Text

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Get OCR Text

Question 12

When updating a DataTable row, what is the impact of using the .BeginEdit() and .EndEdit() methods?

Accepted Answer

They defer constraint checking and event firing until the update is complete.. Using .BeginEdit() and .EndEdit() suspends event firing and constraint checking during the row update process. This significantly improves performance when performing multiple column updates in a single row. By preventing the DataTable from validating the row after every individual field change, you minimize unnecessary processing overhead. This is a critical best practice for optimizing data manipulation in high-volume, performance-sensitive workflows where large rows are updated frequently.

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They enable asynchronous updates for better concurrency.

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They prevent the DataRow from being modified by other threads.

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They automatically save the changes to the underlying database.

Question 13

You are debugging a workflow that interacts with a legacy desktop application. The process frequently hangs at a specific input field. Which TWO debugging actions should you take to diagnose the cause of the hang?

Accepted Answer

Use 'Step Into' to observe the exact activity causing the hang.. Diagnosing application hangs requires observing the interaction between the robot and the UI thread. By using the 'Step Into' feature in conjunction with the 'UI Explorer' validation, you can determine if the application is failing to respond to input commands. These steps help isolate whether the issue is a selector timeout or a blocked UI thread in the target application.

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Enable 'Tracing' in the Project Settings.

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Restart the UiPath Robot service.

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Run the process in 'Background' mode.

Question 14

Refer to the exhibit. The automation fails sporadically in the production environment. Which debugging approach best isolates the root cause for this intermittent selector failure?

Accepted Answer

Using the UI Explorer to validate the selector against multiple UI states.. Intermittent selector failures often stem from dynamic attributes or timing issues. By using the 'Highlight' feature in the UiPath Explorer or temporarily reducing the timeout while running in 'Debug' mode, you can determine if the element is loading slowly or if the selector path is inherently unstable. This method validates the selector's robustness against variable UI changes encountered during execution.

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Implementing a 'Retry Scope' with a generic 'Element Exists' activity.

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Updating the UIAutomation activities package to the latest version.

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Increasing the global 'TimeoutMS' property to 60 seconds.

Question 15

Which TWO of the following are primary benefits of using the Config.xlsx file in the REFramework? (Choose two)

Accepted Answer

It allows changing process parameters without modifying the workflow code.. Using a Config file separates hard-coded values from the business logic, enabling easier adjustments without modifying the underlying workflow code. This is a core best practice in RPA development, facilitating environment-specific configuration changes and supporting maintainability. By externalizing credentials, file paths, and environment URLs, developers can promote code across Development, UAT, and Production environments seamlessly while adhering to security policies regarding sensitive configuration data and resource management.

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It automatically handles the encryption of all sensitive credentials.

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It improves performance by caching all data in memory.

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It replaces the need for Orchestrator Queues.

Question 16

An automation developer is building an attended process that runs frequently on user machines. The user needs to trigger the process using a keyboard shortcut while working inside a CRM application. Which approach best fulfills this requirement without disrupting the user?

Accepted Answer

Assign a shortcut key directly to the process configuration inside UiPath Assistant so the user can invoke it instantly.. Configuring a custom shortcut directly within UiPath Assistant allows users to launch attended automations instantly without navigating menus. This method ensures seamless human-in-the-loop collaboration by letting operators initiate background or foreground tasks directly from their active workspace, drastically minimizing operational friction and improving overall daily productivity across enterprise desktop environments.

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Configure a global Windows hotkey in Task Scheduler to launch the UiPath Robot CLI every time the key combination is pressed.

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Instruct the user to open UiPath Assistant manually and click the Run button whenever the CRM requires data entry.

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Develop a background Windows service that listens for specific keystrokes and invokes the UiPath Robot via the Orchestrator API.

Question 17

Refer to the exhibit. A developer is unable to see previous prompts in the Autopilot panel. Which configuration setting is the likely cause?

Accepted Answer

The 'HistoryEnabled' setting is likely false.. The 'HistoryEnabled' setting in the configuration file controls whether the interaction history is persisted across sessions or within the current workspace. If this is set to false, the panel will not display previous prompts, thereby forcing the developer to start each interaction fresh. This is a common privacy or storage-saving setting in enterprise environments that want to ensure that no conversational data is retained beyond the active development session for compliance reasons.

Answer

The 'PromptLimit' is set too low at 50.

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The 'DataSharing' setting being disabled.

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The 'Model' version is incompatible with history storage.

Question 18

When designing an automation that interacts with a web-based portal requiring MFA, what is the recommended approach to handle the dynamic authentication prompts while maintaining security?

Accepted Answer

Use the Get Credential activity and implement a Wait for Element for the MFA prompt.. Using Orchestrator Credentials or secure Vault integration ensures that sensitive data is not exposed within the workflow. Handling MFA prompts usually requires a human-in-the-loop strategy using Action Center or waiting for specific UI elements indicating the MFA request. This approach balances security compliance with automation requirements, ensuring that credentials remain encrypted while allowing the process to pause and resume securely once the human component provides the necessary authorization.

Answer

Store the MFA token in a hardcoded text file inside the project folder.

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Bypass MFA by hardcoding the device ID into the browser's cookies.

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Use the Type Into activity to send the password and MFA code sequentially.

Question 19

A developer is configuring a UiPath queue to handle transaction items that may fail due to transient network errors. The developer wants to ensure that failed items are retried automatically and that the process can distinguish between business exceptions and application exceptions. (Choose two.)

Accepted Answer

Set the queue's Max Retry Number to a value greater than zero.. Automatic retries for transient failures are controlled by the queue's Max Retry Number, which must be greater than zero. Distinguishing business from application exceptions requires marking validation failures as BusinessException via Set Transaction Status, so Orchestrator does not retry them. Together these settings meet both stated requirements without manual intervention.

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Configure the queue to store all transaction data in the queue item's Specific Data field.

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Set the queue's Auto Retry property to false and handle retries manually in the workflow.

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Enable the queue's Unique Reference property to prevent duplicate items.

Question 20

You are automating a legacy desktop application where the UI elements do not support standard selectors. Which approach provides the most robust automation while maintaining high execution speed?

Accepted Answer

Use the Image automation activity with a stable anchor for the target.. Image-based automation is the standard fallback for legacy applications lacking accessibility frameworks. By combining Image anchors with relative positioning, you ensure the robot can locate target elements even if the window layout shifts slightly. This approach is critical for legacy systems where traditional selectors are unavailable, as it relies on visual patterns rather than underlying DOM structure, ensuring stability in non-standard UI environments.

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Use full-screen OCR for every single element interaction.

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Automate the entire process using only mouse click coordinates.

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Force the application to run in a web-browser emulation mode.